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+/*****************************************************************************
+
+ Licensed to Accellera Systems Initiative Inc. (Accellera) under one or
+ more contributor license agreements. See the NOTICE file distributed
+ with this work for additional information regarding copyright ownership.
+ Accellera licenses this file to you under the Apache License, Version 2.0
+ (the "License"); you may not use this file except in compliance with the
+ License. You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+ implied. See the License for the specific language governing
+ permissions and limitations under the License.
+
+ *****************************************************************************/
+
+/*****************************************************************************
+
+ pulse.h -- Definition of the pulse generator.
+
+ Original Author: Ali Dasdan, Synopsys, Inc.
+
+ *****************************************************************************/
+
+/*****************************************************************************
+
+ MODIFICATION LOG - modifiers, enter your name, affiliation, date and
+ changes you are making here.
+
+ Name, Affiliation, Date:
+ Description of Modification:
+
+ *****************************************************************************/
+
+#ifndef PULSE_H
+#define PULSE_H
+
+SC_MODULE( gen_pulse_mod )
+{
+ // Ports:
+ sc_in_clk clk; // Clock for the pulse generator.
+ sc_in<bool> start; // Becomes true if the car's started.
+ sc_in<int> speed; // Speed of the car set by the driver.
+ sc_out<bool> speed_pulse; // Pulses for the speedometer.
+ sc_out<bool> dist_pulse; // Pulses for the odometers.
+
+ // Find the pulse period to produce speed.
+ int find_period(int speed);
+
+ // Generate pulses for speedometer and odometers.
+ void gen_pulse_proc();
+
+ SC_CTOR( gen_pulse_mod )
+ {
+ SC_CTHREAD( gen_pulse_proc, clk.pos() );
+ }
+};
+
+#endif
+